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3 years ago

Which graphs represent functions?? please help me

Mathematics

1 answer:

muminat3 years ago

4 0

Answer:

graph D

Step-by-step explanation:

If you want to figure out if a graph is a function, try the vertical line test

The vertical line test is when you are able to draw a vertical line on any point of the graph, and the line you have drawn will only pass through the graph once. if it passes the graph more than one time, it is not a function

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A pair of parallel lines is cut by a transversal: 15 degrees and 80 degrees are the lines What is the measure of angle x?

kondaur [170]

Step-by-step explanation:

please mark this answer as brainlist

7 0

3 years ago

Laura has pledges of $5 for each mile she walks in the Juvenile Diabetes Walkathon fundraiser.

irina1246 [14]

Answer:

r = 5m

Step-by-step explanation:

miles walked money earned

0 0

1 1*5 5

2 2 * 5 10

3 3 * 5 15

4 4 * 5 20

5 5 * 5 25

6 6 * 5 30

We multiply 5 by each mile walked to determine how much money was raised

r = 5m where r is the money raised and m is the miles walked

7 0

4 years ago

Which equation represents a line that passes through (-2, 4) and has a slope of 1/2?

jok3333 [9.3K]

Answer:

$\large\boxed{y-4=\dfrac{1}{2}(x+2)\text{- point-slope form}}\\\boxed{y=\dfrac{1}{2}x+5\text{- slope-intercept form}}$

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

We have the slope $m=\dfrac{1}{2}$ and the point $(-2, 4)$ .

Substitute:

$y-4=\dfrac{1}{2}(x-(-2))$

$y-4=\dfrac{1}{2}(x+2)$ - point-slope form

Convert to the slope-intercept form (y = mx + b):

$y-4=\dfrac{1}{2}(x+2)$ <em> use the distributive property</em>

$y-4=\dfrac{1}{2}x+1$ <em>add 4 to both sides</em>

$y=\dfrac{1}{2}x+5$ - slope-intercept form

3 0

3 years ago

Jasmine took four 20 point quizzes in her math class. If her scores were 18, 15, 20, and 15, what was her mean quiz score?

mestny [16]

ANSWER:
17

EXPLANATION:
1st: to find the mean you add all the numbers
2nd: divide by how many numbers there are
So basically 18+15+20+15 then divide by 4 because there are 4 numbers and once you do that it is 17

Hope this helps!!!

7 0

3 years ago

PLEASE HELP ASAP!!

aivan3 [116]

Answer:

21.68 feet

Step-by-step explanation:

5.42 feet in one minute

so how many in 4 minutes

just multiple the rate (5.42 feet per minute) by 4 to get 21.68 feet

4 0

4 years ago